Re: Logitech Webcam(USB) New Errors Posted

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On Sun, 4 Jul 2004 20:32:24 -0700 (PDT), Murali Parth wrote
> Hello List !
> Sorry to bother you again, but with fresher errors.I
> downloaded the driver for Logitech QUICKCAM EXPRESS
> from the site : http://qce-ga.sourceforge.net.Then
> after extracting I ran the script "quickcam.sh" and
> the following are the messages I got.It seems that the
> problem lies with detection of the  device.When I do
> an ls -l /dev/video0 and  it displays the major,minor
> nos. as 81 & 0 and /dev/video as 81 & 1.I removed the
> file hwconf and ran "kudzu".It detects the USB
> controller as "desc: "VIA Technologies|VT82xxxxx UHCI
> USB 1.1 Controller" .Now the result of quickcam.sh
> follows :
> 
> 'Now everything should be well and the driver
> compiled.
> Let's then try actually loading the fresh driver and
> testing
> if it works.
> Press Ctrl+C to quit, Enter to continue --->
> To load the driver, I need to know the root password.
> === Entering root mode ===
> 
> I will now try to enable the SysRq key.
> If your computer crashes, you can try pressing:
>         Alt + SysRq + S: Emergency Sync (write
> everything on hard disk)
>         Alt + SysRq + U: Unmount all harddisks
>         Alt + SysRq + B: Reboot system immediately
> Press Ctrl+C to quit, Enter to continue --->
> Now I finally will try to load the module.
> If you're unlucky, your computer might crash right
> now!!!!
> Consider long if you really want to continue.
> Press Ctrl+C to quit, Enter to continue --->
> You decided to do it, here we go...
> === Leaving root mode ===
> The driver detected the following supported cameras:
> [!] No cameras detected.
> Try unloading and reloading the driver manually with
>         rmmod quickcam; insmod ./quickcam.ko debug=-1
> and then checking whether there are any messages
> indicating
> problems with command
>         dmesg
> WARNING: I'll try to continue anyway, but this
> probably will fail.
> Press Ctrl+C to quit, Enter to continue --->
> I will be using , if there are more cameras I'll not
> test them.
> Press Ctrl+C to quit, Enter to continue --->
> Testing if  is correct.
> ls: : No such file or directory
> ls: : No such file or directory
> ./quickcam.sh: line 547: [: too many arguments
> ls: : No such file or directory
> ls: : No such file or directory
> [!]  major number is .
> Usually it should be 81, so there are problems ahead.
> WARNING: I'll try to continue anyway, but this
> probably will fail.
> Press Ctrl+C to quit, Enter to continue --->
> 
> Right now driver is loaded and ready to run.
> If you like, you can quit now and start using the
> camera -
> you have good chances that it works, if no problems
> were detected.
> If you have X Window System running and xawtv
> installed,
> I can now run it automatically for you.
> You will then also have opportunity to install the
> driver permanently.
> Press Ctrl+C to quit, Enter to continue --->
> Launching xawtv (press q on xawtv window to quit
> it)...
>         xawtv -noscale -noxv -c ""
> This is xawtv-3.92, running on Linux/i686
> (2.6.5-1.358)
> v4l-conf: option requires an argument -- c
> usage: v4l-conf  [ options ]
> 
> options:
>     -q        quiet
>     -d <dpy>  X11 Display     [:0.0]
>     -c <dev>  video device    [/dev/video0]
>     -b <n>    displays color depth is <n> bpp
>     -s <n>    shift display by <n> bytes
>     -f        query frame buffer device for info
>     -a <addr> set framebuffer address to <addr>
>               (in hex, root only, successful
> autodetect
>                will overwrite this address)
>     -1        force v4l API
>     -2        force v4l2 API
> v4l-conf had some trouble, trying to continue anyway
> v4l2: open : No such file or directory
> v4l2: open : No such file or directory
> v4l: open : No such file or directory
> no video grabber device available
> 
> Well, did it work, did you get a picture?
> If you did, you might now want to install the driver
> permanently. Just proceed to do that...
> Press Ctrl+C to quit, Enter to continue --->
> Just an extra warning: the driver (quickcam.ko) and
> the utility (qcset) will be now copied into system
> directories. If you have already other versions,
> they will be overwritten. Verify by giving root
> password.
> === Entering root mode ===
> /usr/bin/install -c -D -m 644 quickcam.ko       
> /lib/modules/2.6.5-1.358/misc/quickcam.ko
> /usr/bin/install -c -D -m 755 qcset
> /usr/local/bin/qcset
> /sbin/depmod -a
> === Leaving root mode ===
> Hopefully the driver is now installed and can be
> loaded
> with command
>         modprobe quickcam
> as root. You can put this command into some startup
> script to do it always automatically at boot.
> The exact location depends on distribution, and this
> script is yet too dumb to do this automatically.
> Press Ctrl+C to quit, Enter to continue --->
> Goodbye... '
> Then I did the following :
> [root@muralinux qc-usb-0.6.0]# modprobe quickcam
> [root@muralinux qc-usb-0.6.0]# lsmod
> Module                  Size  Used by
> quickcam               59060  0
> ohci_hcd               14748  0
> uhci_hcd               23708  0
> tuner                  15380  0
> bttv                  129292  0
> video_buf              14468  1 bttv
> i2c_algo_bit            7304  1 bttv
> v4l2_common             4864  1 bttv
> btcx_risc               3592  1 bttv
> i2c_core               16388  3
> tuner,bttv,i2c_algo_bit
> videodev                6656  2 quickcam,bttv
> ---------------------------------------------
> Could anyone help me to provide clue to unravelling
> this problem ? Thanks.
> Murali
[snip]

All I did was to add the line 'modprobe quickcam' to my /etc/rc.d/rc.local
file. So when the system boots, it will install the driver.

Wolf
--
Open WebMail Project (http://openwebmail.org)



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